html, body, #app, section, .h100{
    font-size: 22px;
    height: 100%;
    /* overflow: hidden; */
}

body {
    padding: 0;
    margin: 0;
    /* background-color: #cde6c7 !important; */
}

#app {
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

h1 {
    margin-bottom: 0;
}

.font12 {
    font-size: 0.857142em
}

.font15 {
    font-size: 15px;
}

.font16 {
    font-size: 1.142857em;
}

.font18 {
    font-size: 1.285714em;
}

.font22 {
    font-size: 1.571428em;
}

.font26 {
    font-size: 1.857142em;
}

.font30 {
    font-size: 2.142857em;
}

.font34 {
    font-size: 34px;
}

.font50 {
    font-size: 50px;
}

.bold {
    font-weight: bold;
}

.text_left {
    text-align: left;
}

.text_center {
    text-align: center;
}

.text_right {
    text-align: right;
}

.w100 {
    width: 100px;
}

.w150 {
    width: 150px;
}

.pl50 {
    padding-left: 50px;
}

.pr50 {
    padding-right: 50px;
}

.pl100 {
    padding-left: 100px;
}

.pr100 {
    padding-right: 100px;
}

.mb0 {
    margin-bottom: 0;
}

.mt15 {
    margin-top: 15px;
}

.mb15 {
    margin-bottom: 15px;
}

.mr15 {
    margin-right: 15px;
}

.mt20 {
    margin-top: 20px;
}

.mb20 {
    margin-bottom: 20px;
}

.mt50 {
    margin-top: 50px;
}

.mb50 {
    margin-bottom: 50px;
}

.mt100 {
    margin-top: 100px;
}

.mb100 {
    margin-bottom: 100px;
}

.white {
    color: white !important;
}

.green {
    color: #5DA58A
}

.gray {
    color: rgb(135, 135, 135);
}

.light_gray {
    color: rgb(235, 235, 235);
}

.black {
    color: black;
}

.bg_green {
    background-color: #5DA58A !important;
}

.bg_orange {
    background-color: orange;
    color: white;
    text-align: center;
}

.btn_primary {
    background-color: gainsboro;
}

.flex_around {
    display: flex;
    justify-content: space-around;
}

.flex_evenly {
    display: flex;
    justify-content: space-evenly;
}

.flex_column {
    display: flex;
    flex-direction: column;
    justify-content: center;
}